AR-3D (Type 94 radar)
Description of the radar set, tactical-technical characteristics
Figure 1: AR-3D
(© The Decca Legacy)
| Specifications | |
|---|---|
| frequency: | 2 915 … 3 055 MHz
(S-Band) |
| pulse repetition time (PRT): | 4 000 µs |
| pulse repetition frequency (PRF): | 250 Hz |
| pulsewidth (τ): | 36 µs |
| receive time: | |
| dead time: | |
| peak power: | 1.1 MW |
| average power: | 10 kW |
| instrumented range: | 260 NM (≙ 480 km) |
| range resolution: | |
| accuracy: | |
| beamwidth: | β= 1°; ε= 2° |
| hits per scan: | |
| antenna rotation: | 6 min-1 |
| MTBCF: | |
| MTTR: | |
AR-3D (Type 94 radar)
The AR-3D is an operating in S-Band 3D- early warning and fighter control radar. In the Royal Air Force the radar was designated as Type 94 radar.
The antenna was fitted with a 12 × 12 meter single curved parabolic reflector It used the principle of frequency scanning phased array, producing a Pencil-Beam that scanned in elevation from 0 to 30 degrees. The transmitter used a Traveling Wave Tube followed by a klystron power amplifier. The transmit pulse was a linear frequency modulated pulse of 36 µs length with a saw-tooth-like frequency shift of 140 MHz. In the receiver, this frequency range was divided into eight frequency channels, each of which was responsible for a range of elevation angles.
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